{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109883317",
    "entityType": "User",
    "nonce": "0x7861fabeb622dbcecb7fe8f4e7d64027364118e48ea0cde6680d595fa713ae31",
    "signature": "0x1fe6e10fcca299f6ed23906c47f65c03c2e0628f8b796e63541c87619f113a1a6b9f336a520128627ee7ad054dd37946f0d0f35125482a9047aeb38ad5639e9c1c",
    "signer": "0x49368dB15B9A78dF090195AD4338818bfA70C88A",
    "userId": "381576190"
  }
}